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circa 1980 Casio with clock, similar to fx-8100
12-08-2018, 08:50 PM
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RE: circa 1980 Casio with clock, similar to fx-8100
Not exactly the form factor you are looking for but there is the Casio CFX series of Scientific Calculator Watches introduced in 1983.
http://www.liquidcrystal.co.nz/watches/casio-cfx-400/
http://home.earthlink.net/~kdstaller/KScasio.html
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RE: circa 1980 Casio with clock, similar to fx-8100 - Steve Simpkin - 12-08-2018 08:50 PM



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